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How does OC4J know what DataSource to associate with a CMP entity bean?

April 26, 2017Associate bean CMP DataSource entity OC4J

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How does OC4J know what DataSource to associate with a CMP entity bean?

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The default DataSource used depends on where the DataSource is specified. You can specify the default DataSource in one of the following descriptors. Note: The order of sequence for the default DataSource configuration is the same as listed below. 1. Set the data source attribute on the element in the orion-ejb-jar.xml file for the entity bean. 2. Set the default-datasource attribute in the element in the orion-application.xml file that is specific to the application (within the EAR structure). 3. Set the default-datasource attribute in the element in the application.xml file that is generic to all applications. Thus, this file is located in the config/ directory.